74329 6-line selectable phase clock driver. +----------+ GND |1 +--+ 16| 1Y1 1Y2 |2 15| SEL1 2Y1 |3 14| VCC GND |4 74 13| SEL2 2Y2 |5 329 12| A 3Y1 |6 11| VCC GND |7 10| SEL3 4Y1 |8 9| SEL4 +----------+ [This information is part of the GIICM]